The ADTRAN ISDN Service Unit (ISU) 128 connects data terminal equipment (DTE) to the ISDN network. The ISU 128 is a full-featured single port terminal adapter that allows cost-effective high-speed data transmission at rates up to 128 kbps.
Adtran ISU 128 Features:
Provides up to 128 kbps of dialed bandwidth for high-speed data applications
Uses standard ISDN basic rate service
Available in standalone or Smart 16/16e shelf rackmount
Supports data rates up to 128 kbps synchronous or 115.2 kbps asynchronous
Manual, automatic, and stored number dialing
Supports remote configuration over the ISDN line or externally
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